Home / 8,604.28-12,908.31-3,410.02

Finding the Fourth Proportional to 8,604.28, 12,908.31 and 3,410.02

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Solution

The fourth proportional to 8,604.28, 12,908.31 and 3,410.02 is: 5,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.28 : 12,908.31 = 3,410.02 : x
  2. Step 2: Convert to fraction form
    8,604.28/12,908.31 = 3,410.02/x
  3. Step 3: Cross multiply
    8,604.28x = 12,908.31 × 3,410.02
  4. Step 4: Simplify right side
    8,604.28x = 44,017,595.27
  5. Step 5: Solve for x
    x = 44,017,595.27/8,604.28
  6. Step 6: Final answer
    x = 5,115.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.